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All results from a given calculation for C5H10O (3-Pentanone)

using model chemistry: B2PLYP/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B2PLYP/6-311G*
 hartrees
Energy at 0K-271.538367
Energy at 298.15K 
HF Energy-271.245893
Nuclear repulsion energy238.875144
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at B2PLYP/6-311G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A1 3145 3145 39.06      
2 A1 3075 3075 1.96      
3 A1 3051 3051 32.12      
4 A1 1777 1777 100.74      
5 A1 1534 1534 8.58      
6 A1 1497 1497 19.07      
7 A1 1447 1447 12.40      
8 A1 1377 1377 6.16      
9 A1 1131 1131 2.07      
10 A1 1033 1033 2.07      
11 A1 790 790 1.60      
12 A1 410 410 0.56      
13 A1 197 197 0.50      
14 A2 3153 3153 0.00      
15 A2 3069 3069 0.00      
16 A2 1528 1528 0.00      
17 A2 1285 1285 0.00      
18 A2 1021 1021 0.00      
19 A2 723 723 0.00      
20 A2 210 210 0.00      
21 A2 11i 11i 0.00      
22 B1 3153 3153 56.47      
23 B1 3081 3081 24.75      
24 B1 1528 1528 17.09      
25 B1 1331 1331 0.86      
26 B1 1159 1159 0.13      
27 B1 833 833 9.34      
28 B1 468 468 0.04      
29 B1 189 189 0.23      
30 B1 67 67 0.19      
31 B2 3145 3145 16.80      
32 B2 3074 3074 50.09      
33 B2 3042 3042 11.55      
34 B2 1534 1534 12.24      
35 B2 1485 1485 2.79      
36 B2 1446 1446 2.33      
37 B2 1409 1409 36.31      
38 B2 1154 1154 60.98      
39 B2 1027 1027 9.14      
40 B2 978 978 20.05      
41 B2 629 629 3.76      
42 B2 313 313 12.70      

Unscaled Zero Point Vibrational Energy (zpe) 31241.4 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 31241.4 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at B2PLYP/6-311G*
ABC
0.29797 0.06502 0.05554

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/6-311G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 1.281
C2 0.000 0.000 0.067
C3 0.000 1.295 -0.735
C4 0.000 -1.295 -0.735
C5 0.000 2.547 0.135
C6 0.000 -2.547 0.135
H7 0.870 1.279 -1.402
H8 -0.870 1.279 -1.402
H9 -0.870 -1.279 -1.402
H10 0.870 -1.279 -1.402
H11 0.000 3.447 -0.483
H12 -0.877 2.573 0.781
H13 0.877 2.573 0.781
H14 0.000 -3.447 -0.483
H15 0.877 -2.573 0.781
H16 -0.877 -2.573 0.781

Atom - Atom Distances (Å)
  O1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16
O11.21422.39612.39612.79292.79293.09703.09703.09703.09703.87192.76402.76403.87192.76402.7640
C21.21421.52301.52302.54752.54752.13322.13322.13322.13323.49022.81052.81053.49022.81052.8105
C32.39611.52302.58971.52403.93861.09641.09642.79762.79762.16642.16812.16814.74814.24584.2458
C42.39611.52302.58973.93861.52402.79762.79761.09641.09644.74814.24584.24582.16642.16812.1681
C52.79292.54751.52403.93865.09322.17352.17354.21344.21341.09151.09021.09026.02495.23425.2342
C62.79292.54753.93861.52405.09324.21344.21342.17352.17356.02495.23425.23421.09151.09021.0902
H73.09702.13321.09642.79762.17354.21341.74013.09382.55802.50993.08092.53744.89214.42734.7597
H83.09702.13321.09642.79762.17354.21341.74012.55803.09382.50992.53743.08094.89214.75974.4273
H93.09702.13322.79761.09644.21342.17353.09382.55801.74014.89214.42734.75972.50993.08092.5374
H103.09702.13322.79761.09644.21342.17352.55803.09381.74014.89214.75974.42732.50992.53743.0809
H113.87193.49022.16644.74811.09156.02492.50992.50994.89214.89211.76941.76946.89326.21306.2130
H122.76402.81052.16814.24581.09025.23423.08092.53744.42734.75971.76941.75486.21305.43675.1457
H132.76402.81052.16814.24581.09025.23422.53743.08094.75974.42731.76941.75486.21305.14575.4367
H143.87193.49024.74812.16646.02491.09154.89214.89212.50992.50996.89326.21306.21301.76941.7694
H152.76402.81054.24582.16815.23421.09024.42734.75973.08092.53746.21305.43675.14571.76941.7548
H162.76402.81054.24582.16815.23421.09024.75974.42732.53743.08096.21305.14575.43671.76941.7548

picture of 3-Pentanone state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 C3 121.768 O1 C2 C4 121.768
C2 C3 C5 113.452 C2 C3 H7 107.938
C2 C3 H8 107.938 C2 C4 C6 113.452
C2 C4 H9 107.938 C2 C4 H10 107.938
C3 C2 C4 116.464 C3 C5 H11 110.765
C3 C5 H12 110.980 C3 C5 H13 110.980
C4 C6 H14 110.765 C4 C6 H15 110.980
C4 C6 H16 110.980 C5 C3 H7 111.032
C5 C3 H8 111.032 C6 C4 H9 111.032
C6 C4 H10 111.032 H7 C3 H8 105.037
H9 C4 H10 105.037 H11 C5 H12 108.397
H11 C5 H13 108.397 H12 C5 H13 107.194
H14 C6 H15 108.397 H14 C6 H16 108.397
H15 C6 H16 107.194
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.300      
2 C 0.326      
3 C -0.502      
4 C -0.502      
5 C -0.619      
6 C -0.619      
7 H 0.227      
8 H 0.227      
9 H 0.227      
10 H 0.227      
11 H 0.209      
12 H 0.222      
13 H 0.222      
14 H 0.209      
15 H 0.222      
16 H 0.222      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 -2.590 2.590
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -37.441 0.000 0.000
y 0.000 -37.881 0.000
z 0.000 0.000 -41.693
Traceless
 xyz
x 2.346 0.000 0.000
y 0.000 1.686 0.000
z 0.000 0.000 -4.032
Polar
3z2-r2-8.064
x2-y20.440
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.028 0.000 0.000
y 0.000 9.906 0.000
z 0.000 0.000 8.687


<r2> (average value of r2) Å2
<r2> 215.813
(<r2>)1/2 14.691